docs: Fix some misspelling
docs: Fix some misspelling

Signed-off-by: iysheng <a6e4c4c034a954fe4657fdc5f4c5e2d03501360c@gmail.com>

ATmobica/mcuboot,ATmobica/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot,ATmobica/mcuboot,runtimeco/mcuboot,runtimeco/mcuboot,runtimeco/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot